Don't Sell Before Receiving Our Offer! We Loan, Buy, Sell, and Trade... Lodi Coin & Precious Metals offers some of the highest prices in the area for gold, silver, diamonds, rare coins, estate jewelry, and more! Lodi Coin & Precious Metals is a full service coin dealer and pawnbroker. We pride ourselves on honest prices and excellent customer service. Come in or call today to get fair prices for your jewels. Se habla espanol.